Palmer Fearless All Stainless Steel Gauges are the highest quality instruments available for gas or liquid media. Their rugged construction and watertight bayonet case/ring design is enhanced by Palmer’s Fearless vibration and pulsation resistant Dampened Movement. The results are a Pressure Gauge suitable for demanding applications in all industries. Vibration and Pulsation Resistant Readings similar to a Liquid Filled Gauge. In Situ Calibration using micro adjustable gear drive pointer.